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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 19 to 23 Novembre, 2018.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
GLP compliance programme (inspected on 20-21 June 2017 / signed on 4 September 2017)
Key result
Auto-ignition temperature:
250 °C
Atm. press.:
>= 1 002.3 - <= 1 014.5 hPa

Individual results

Preliminary test

The lowest auto-ignition temperature of the test item was determined to be 262 °C in the preliminary test.

Main test

The results of the main test are compiled in the table below 4.12.1

Table 4.12.1.- Auto-ignition temperature (summary)

Main test series

Auto-ignition temperature / °C

Time lag / s

1stmain test (5 K)

252

21

1stmain test (2 K)

256

30

2ndmain test (2 K)

256

35

3rdmain test (2 K)

256

39

The lowest auto-ignition temperature of the test item was determined to be 252 °Cin the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 250 °C.

Final results

The auto-ignition temperature of the test item according to the auto-ignition test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.15. was 250 °C.

All the raw data is in the experimental report.

Conclusions:
This parameter/method is not relevant for classification, however the information is useful regarding potential additional fire hazard. No particular hazard is anticipated in normal conditions of storage.
Executive summary:

The study was conducted under GLP according to standard DIN 51794:2003 (listed in EU A.15 guideline).

Under the test conditions, the lowest auto-ignition temperature of the test item was determined to be 252 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 250 °C.

Description of key information

The auto-ignition temperature of the test item is stated as 250 °C.

No particular hazard is anticipated in normal conditions of storage

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
250 °C

Additional information

A GLP fully reliable experimental study, conducted according to a recognized EU/DIN method, is available. Therefore, it is considered as a key study. The result is retained as key data.

 

This parameter is not relevant for classification, however the information is useful regarding process safety and potential additional fire hazard.